openwrt/target/linux/brcm63xx/patches-3.13/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch
Jonas Gorski 0d120f42da brcm63xx: add preliminary support for 3.13
Add support for 3.13 as a development kernel. Mostly untested, only net
booted. If flashed may brick your router or kill your cat.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 39746
2014-02-24 15:54:12 +00:00

71 lines
2.2 KiB
Diff

From a33bb660c712447ba8b561109cda6734954a6efa Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Fri, 26 Apr 2013 11:21:16 +0200
Subject: [PATCH 34/53] MIPS: BCM63XX: add pin argument to dispatch internal
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/irq.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -19,9 +19,10 @@
#include <bcm63xx_io.h>
#include <bcm63xx_irq.h>
+
static u32 irq_stat_addr[2];
static u32 irq_mask_addr[2];
-static void (*dispatch_internal)(void);
+static void (*dispatch_internal)(int pin);
static int is_ext_irq_cascaded;
static unsigned int ext_irq_count;
static unsigned int ext_irq_start, ext_irq_end;
@@ -54,19 +55,20 @@ static inline void handle_internal(int i
*/
#define BUILD_IPIC_INTERNAL(width) \
-void __dispatch_internal_##width(void) \
+void __dispatch_internal_##width(int pin) \
{ \
u32 pending[width / 32]; \
unsigned int src, tgt; \
bool irqs_pending = false; \
- static int i; \
+ static int i[2]; \
+ int *next = &i[pin]; \
\
/* read registers in reverse order */ \
for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \
u32 val; \
\
- val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \
- val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \
+ val = bcm_readl(irq_stat_addr[pin] + src * sizeof(u32)); \
+ val &= bcm_readl(irq_mask_addr[pin] + src * sizeof(u32)); \
pending[--tgt] = val; \
\
if (val) \
@@ -77,9 +79,9 @@ void __dispatch_internal_##width(void)
return; \
\
while (1) { \
- int to_call = i; \
+ int to_call = *next; \
\
- i = (i + 1) & (width - 1); \
+ *next = (*next + 1) & (width - 1); \
if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \
handle_internal(to_call); \
break; \
@@ -129,7 +131,7 @@ asmlinkage void plat_irq_dispatch(void)
if (cause & CAUSEF_IP1)
do_IRQ(1);
if (cause & CAUSEF_IP2)
- dispatch_internal();
+ dispatch_internal(0);
if (!is_ext_irq_cascaded) {
if (cause & CAUSEF_IP3)
do_IRQ(IRQ_EXT_0);